{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "294330",
    "entityType": "User",
    "nonce": "0x81f3d6d294f8dfb6e04e0b13b6c87ffcb4453f80dac7461f1c5c84ed37f52b33",
    "signature": "0x6b4368d395070529c2aa565098d31b8d3cfdeb0faede774874c84c17629051d63d985ec19c5197771c82acbb7b07f39c8dbc8a29330bf1d7ff902989d5df03431b",
    "signer": "0x98BA64d35a9efdEB920F1387731aC9cd77D0eB72",
    "userId": "808761895"
  }
}